This is the Cato Daily Podcast for Monday, September 16th, 2013.

I'm Caleb Brown.

The Obamacare Supreme Court decision is at once a tough case legally fraught with politics and entirely surprising.

What's clear is the case has already inspired numerous follow-on challenges.

Josh Blackman is author of the new book, Unprecedent the Constitutional Challenge to Obamacare, we spoke today.

So I think what the biggest change to this case has brought us is how the American people

think about the Constitution.

I think we witnessed a rededication to the Constitution through the Tea Party and other groups.

These are groups who weren't just objecting to Obama-Care and policy grounds.

They objecting to it on constitutional grounds. The government cannot make me by

broccoli that goes against with the constitutional liberties we have. So that's one important sense.

But I think in another sense it actually places some limits on what the federal government can and cannot do,

the first with the Commerce Clause.

The Supreme Court said that we're five votes for this position that the federal government cannot

force you to do something that you don't want to do. They cannot make you buy a product

purely because it impacts the health care market. That's what the table.

Second, with respect to spending, the federal government can tell a state, you have to accept this money or else

will take away lots of other money.

So there's a limit there.

If the government wants to give money, there has to be a choice.

The states as sovereigns have the ability to opt in.

And these two aspects of the health care case

...